Example usage for java.lang.reflect Field get

List of usage examples for java.lang.reflect Field get

  1. HOME
  2. Java
  3. java
  4. java.lang.reflect.*
  5. Field
  6. get

Introduction

In this page you can find the example usage for java.lang.reflect Field get.

Prototype

@CallerSensitive
@ForceInline 
public Object get(Object obj) throws IllegalArgumentException, IllegalAccessException

Source Link

Document

Returns the value of the field represented by this Field , on the specified object.

Usage

From source file:ca.psiphon.tunneledwebview.WebViewProxySettings.java

@TargetApi(Build.VERSION_CODES.KITKAT)
@SuppressWarnings("rawtypes")
private static boolean setWebkitProxyKitKat(Context appContext, String host, int port) {
    System.setProperty("http.proxyHost", host);
    System.setProperty("http.proxyPort", port + "");
    System.setProperty("https.proxyHost", host);
    System.setProperty("https.proxyPort", port + "");
    try {/* www  .j a  v a  2s  .  com*/
        Class applicationClass = Class.forName("android.app.Application");
        Field loadedApkField = applicationClass.getDeclaredField("mLoadedApk");
        loadedApkField.setAccessible(true);
        Object loadedApk = loadedApkField.get(appContext);
        Class loadedApkClass = Class.forName("android.app.LoadedApk");
        Field receiversField = loadedApkClass.getDeclaredField("mReceivers");
        receiversField.setAccessible(true);
        ArrayMap receivers = (ArrayMap) receiversField.get(loadedApk);
        for (Object receiverMap : receivers.values()) {
            for (Object receiver : ((ArrayMap) receiverMap).keySet()) {
                Class receiverClass = receiver.getClass();
                if (receiverClass.getName().contains("ProxyChangeListener")) {
                    Method onReceiveMethod = receiverClass.getDeclaredMethod("onReceive", Context.class,
                            Intent.class);
                    Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION);

                    final String CLASS_NAME = "android.net.ProxyProperties";
                    Class proxyPropertiesClass = Class.forName(CLASS_NAME);
                    Constructor constructor = proxyPropertiesClass.getConstructor(String.class, Integer.TYPE,
                            String.class);
                    constructor.setAccessible(true);
                    Object proxyProperties = constructor.newInstance(host, port, null);
                    intent.putExtra("proxy", (Parcelable) proxyProperties);

                    onReceiveMethod.invoke(receiver, appContext, intent);
                }
            }
        }
        return true;
    } catch (ClassNotFoundException e) {
    } catch (NoSuchFieldException e) {
    } catch (IllegalAccessException e) {
    } catch (IllegalArgumentException e) {
    } catch (NoSuchMethodException e) {
    } catch (InvocationTargetException e) {
    } catch (InstantiationException e) {
    }
    return false;
}

From source file:Main.java

public static void setDataEnabled(Context context, boolean enabled) {
    ConnectivityManager conMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    Class<?> conMgrClass = null;
    Field iConMgrField = null;
    Object iConMgr = null;/*from w  w  w  .  jav a 2 s .c  o  m*/
    Class<?> iConMgrClass = null;
    Method setMobileDataEnabledMethod = null;
    try {
        conMgrClass = Class.forName(conMgr.getClass().getName());
        iConMgrField = conMgrClass.getDeclaredField("mService");
        iConMgrField.setAccessible(true);
        iConMgr = iConMgrField.get(conMgr);
        iConMgrClass = Class.forName(iConMgr.getClass().getName());
        setMobileDataEnabledMethod = iConMgrClass.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);
        setMobileDataEnabledMethod.setAccessible(true);
        setMobileDataEnabledMethod.invoke(iConMgr, enabled);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.libframework.annotation.util.OtherUtils.java

/**
 * @param context if null, use the default format
 *                (Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 %sSafari/534.30).
 * @return/*from   ww w. ja  v  a  2  s.co  m*/
 */
public static String getUserAgent(Context context) {
    String webUserAgent = null;
    if (context != null) {
        try {
            Class<?> sysResCls = Class.forName("com.android.internal.R$string");
            Field webUserAgentField = sysResCls.getDeclaredField("web_user_agent");
            Integer resId = (Integer) webUserAgentField.get(null);
            webUserAgent = context.getString(resId);
        } catch (Throwable ignored) {
        }
    }
    if (TextUtils.isEmpty(webUserAgent)) {
        webUserAgent = "Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 %sSafari/533.1";
    }

    Locale locale = Locale.getDefault();
    StringBuffer buffer = new StringBuffer();
    // Add version
    final String version = Build.VERSION.RELEASE;
    if (version.length() > 0) {
        buffer.append(version);
    } else {
        // default to "1.0"
        buffer.append("1.0");
    }
    buffer.append("; ");
    final String language = locale.getLanguage();
    if (language != null) {
        buffer.append(language.toLowerCase(Locale.getDefault()));
        final String country = locale.getCountry();
        if (country != null) {
            buffer.append("-");
            buffer.append(country.toLowerCase(Locale.getDefault()));
        }
    } else {
        // default to "en"
        buffer.append("en");
    }
    // add the model for the release build
    if ("REL".equals(Build.VERSION.CODENAME)) {
        final String model = Build.MODEL;
        if (model.length() > 0) {
            buffer.append("; ");
            buffer.append(model);
        }
    }
    final String id = Build.ID;
    if (id.length() > 0) {
        buffer.append(" Build/");
        buffer.append(id);
    }
    return String.format(webUserAgent, buffer, "Mobile ");
}

From source file:edu.mayo.cts2.framework.webapp.rest.view.jsp.Beans.java

/**
 * Inspect.// w w  w .j a  v  a  2 s  .c  o m
 *
 * @param bean the bean
 * @return the list
 */
public static List<Map.Entry<String, Object>> inspect(Object bean) {
    Map<String, Object> props = new LinkedHashMap<String, Object>();

    Class<?> clazz = bean.getClass();

    while (clazz != null) {
        for (Field field : clazz.getDeclaredFields()) {
            field.setAccessible(true);
            String name = field.getName();

            Object value;
            try {
                value = field.get(bean);
            } catch (Exception e) {
                throw new RuntimeException(e);
            }

            if (value != null) {
                props.put(name, value);
            }
        }
        clazz = clazz.getSuperclass();
    }

    List<Map.Entry<String, Object>> list = new ArrayList<Map.Entry<String, Object>>(props.entrySet());

    Collections.sort(list, BEAN_COMPARATOR);

    return list;
}

From source file:com.chiorichan.util.StringUtil.java

public static Color parseColor(String color) {
    Pattern c = Pattern.compile("rgb *\\( *([0-9]+), *([0-9]+), *([0-9]+) *\\)");
    Matcher m = c.matcher(color);

    // First try to parse RGB(0,0,0);
    if (m.matches())
        return new Color(Integer.valueOf(m.group(1)), // r
                Integer.valueOf(m.group(2)), // g
                Integer.valueOf(m.group(3))); // b

    try {/*from   www.java2 s.  co  m*/
        Field field = Class.forName("java.awt.Color").getField(color.trim().toUpperCase());
        return (Color) field.get(null);
    } catch (Exception e) {
    }

    try {
        return Color.decode(color);
    } catch (Exception e) {
    }

    return null;
}

From source file:com.iflytek.edu.cloud.frame.web.filter.CheckOpenServiceFilterTest.java

@BeforeClass
public static void init() {
    InitializingService initializingService = new InitializingService();
    try {/*w  w w.j  a v  a 2s  .co m*/
        initializingService.afterPropertiesSet();
    } catch (Exception e1) {
        e1.printStackTrace();
    }

    ErrorRequestMessageConverter messageConverter = new ErrorRequestMessageConverter();
    messageConverter.setJsonMessageConverter(new MappingJackson2HttpMessageConverter());
    messageConverter.setXmlMessageConverter(new Jaxb2RootElementHttpMessageConverterExt());

    filter = new CheckOpenServiceFilter();
    filter.setMessageConverter(messageConverter);

    try {
        Field field = filter.getClass().getDeclaredField("methodVersionMap");
        field.setAccessible(true);
        Multimap<String, String> methodVersionMap = (Multimap<String, String>) field.get(filter);

        methodVersionMap.put("user.get", "1.0.0");
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:com.cloudbees.plugins.credentials.ContextMenuIconUtils.java

/**
 * Gets the qualified URL of the specified icon.
 *
 * @param icon the icon.//  w ww.jav  a 2  s .c om
 * @return the qualified URL of the icon.
 */
@CheckForNull
public static String getQualifiedUrl(@CheckForNull Icon icon) {
    if (icon == null) {
        return null;
    }
    try {
        Field iconType = Icon.class.getDeclaredField("iconType");
        iconType.setAccessible(true);
        IconType type = (IconType) iconType.get(icon);
        switch (type) {
        case CORE: {
            return Functions.getResourcePath() + "/images/" + icon.getUrl();
        }
        case PLUGIN: {
            return Functions.getResourcePath() + "/plugin/" + icon.getUrl();
        }
        }
        return null;
    } catch (NoSuchFieldException e) {
        // ignore we'll use a JellyContext
    } catch (IllegalAccessException e) {
        // ignore we'll use a JellyContext
    }
    JellyContext ctx = new JellyContext();
    ctx.setVariable("resURL", Functions.getResourcePath());
    return icon.getQualifiedUrl(ctx);
}

From source file:com.google.code.ddom.commons.cl.ClassLoaderLocal.java

private static Map<ClassLoaderLocal<?>, Object> getClassLoaderLocalMap(ClassLoader cl) {
    if (cl == ClassLoaderLocal.class.getClassLoader()) {
        return ClassLoaderLocalMapHolder.locals;
    } else {//  www  .  jav  a 2 s  .  c  om
        Class<?> holderClass;
        try {
            holderClass = cl.loadClass(holderClassName);
            if (holderClass.getClassLoader() != cl) {
                holderClass = null;
            }
        } catch (ClassNotFoundException ex) {
            holderClass = null;
        }
        if (holderClass == null) {
            try {
                holderClass = (Class<?>) defineClassMethod.invoke(cl, holderClassName, holderClassDef, 0,
                        holderClassDef.length);
            } catch (Exception ex) {
                // TODO: can we get here? maybe if two threads call getClassLoaderLocalMap concurrently?
                throw new Error(ex);
            }
        }
        Field field;
        try {
            field = holderClass.getDeclaredField("locals");
        } catch (NoSuchFieldException ex) {
            throw new NoSuchFieldError(ex.getMessage());
        }
        try {
            return (Map<ClassLoaderLocal<?>, Object>) field.get(0);
        } catch (IllegalAccessException ex) {
            throw new Error(ex);
        }
    }
}

From source file:com.ddiiyy.xydz.xutils.util.OtherUtils.java

/**
 * @param context if null, use the default format
 *                (Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 %sSafari/534.30).
 * @return//from w w w  .j a  v  a  2 s.co  m
 */
@SuppressLint("DefaultLocale")
@SuppressWarnings("rawtypes")
public static String getUserAgent(Context context) {
    String webUserAgent = null;
    if (context != null) {
        try {
            Class sysResCls = Class.forName("com.android.internal.R$string");
            Field webUserAgentField = sysResCls.getDeclaredField("web_user_agent");
            Integer resId = (Integer) webUserAgentField.get(null);
            webUserAgent = context.getString(resId);
        } catch (Throwable ignored) {
        }
    }
    if (TextUtils.isEmpty(webUserAgent)) {
        webUserAgent = "Mozilla/5.0 (Linux; U; Android %s) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 %sSafari/533.1";
    }

    Locale locale = Locale.getDefault();
    StringBuffer buffer = new StringBuffer();
    // Add version
    final String version = Build.VERSION.RELEASE;
    if (version.length() > 0) {
        buffer.append(version);
    } else {
        // default to "1.0"
        buffer.append("1.0");
    }
    buffer.append("; ");
    final String language = locale.getLanguage();
    if (language != null) {
        buffer.append(language.toLowerCase());
        final String country = locale.getCountry();
        if (country != null) {
            buffer.append("-");
            buffer.append(country.toLowerCase());
        }
    } else {
        // default to "en"
        buffer.append("en");
    }
    // add the model for the release build
    if ("REL".equals(Build.VERSION.CODENAME)) {
        final String model = Build.MODEL;
        if (model.length() > 0) {
            buffer.append("; ");
            buffer.append(model);
        }
    }
    final String id = Build.ID;
    if (id.length() > 0) {
        buffer.append(" Build/");
        buffer.append(id);
    }
    return String.format(webUserAgent, buffer, "Mobile ");
}

From source file:Debug.java

public static Debug getDebugLevel(Class cls) throws NoSuchFieldException {
    try {/*w  ww .j ava  2 s  .c  o m*/
        Field fld = cls.getField("debug");
        if (fld.getType() != Debug.class || !Modifier.isStatic(fld.getModifiers()))
            throw new NoSuchFieldException();
        return (Debug) fld.get(null);
    } catch (IllegalArgumentException e) {
        throw new NoSuchFieldException();
    } catch (IllegalAccessException e) {
        throw new NoSuchFieldException();
    } catch (SecurityException e) {
        throw new NoSuchFieldException();
    }
}